Dimensions of Electrical Indicating Instruments for Switch Boards
发布日期:1980-07-09 实施日期:1994-06-27
Testing and measuring equipment for testing the electrical safety of electrical devices - Part 3: Equipment for periodical tests and tests prior to commissioning medical electrical devices or systems
实施日期:2005-04-01
Direct-current potentiometers (IEC 60523:1975 + A1:1979 + Corrigendum 1980); German version EN 60523:1993
适用范围:This document applies to d.c. potentiometers having accuracy classes of 0.0001 to 0.1.
适用范围:本标准规定了直接作用模拟指示静电系电压表及其附件(如附加分压器等)的分类、分级、技术要求、试验方法、检验规则、标志、包装和贮存。<br> 本标准适用于静电表及其附件。<br> 本标准不适用于数字式静电表及特殊用途的静...
实施日期:1992-07-01
Analogue counting ratemeters. Characteristics and test methods
适用范围:Applies to linear or logarithmic analogue ratemeters used in nuclear instrumentation to measure random pulse counting rates as produced by detectors. Defines the characteristics used for expressing fun...
发布日期:1979-01-01 实施日期:1979-01-01
Indirekt wirkende elektrische Anzeige-und Aufnahmeinstrumente mit Zubehoer. Spezifikation Specification for Indirect-acting electrical indicating and recording instruments and their accessories Instrum...
适用范围:Defines and classifies instruments using a null balance method and needing an auxiliary electrical supply. Permissible intrinsic errors, reference conditions and variations for measured quantity and ti...
实施日期:1975-02-28
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